NHTSA owner reports · September 18, 2026 snapshot.
What owners actually said
123 reports84,000 miles · Nov 29, 2007
Visibility
FALL OF 2007, NOTICED INCREASED FOGGING OF WINDOWS THAT DID NOT GO AWAY WITH DEFROSTER, FRESH AIR. BEGAN TO SMELL SWEET, SYRUPY SMELL. NOVEMBER 07, HEAT REFUSED TO WORK, CHECKED ANTIFREEZE LEVEL, VERY LOW. WINDOWS CONTINUING TO NOT BE CLEARED. OILY FILM COVERING WINDOWS. CURRENTLY, I HAVE NOT HAD COMPLETE FAILURE OF HEATER …
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FALL OF 2007, NOTICED INCREASED FOGGING OF WINDOWS THAT DID NOT GO AWAY WITH DEFROSTER, FRESH AIR. BEGAN TO SMELL SWEET, SYRUPY SMELL. NOVEMBER 07, HEAT REFUSED TO WORK, CHECKED ANTIFREEZE LEVEL, VERY LOW. WINDOWS CONTINUING TO NOT BE CLEARED. OILY FILM COVERING WINDOWS. CURRENTLY, I HAVE NOT HAD COMPLETE FAILURE OF HEATER OR COMPUTER MODULE. I HAVE RESEARCHED THIS PROBLEM ON THE DIAMANTE OWNERS WEB SITE. MY PROBLEMS MIRROR EXACTLY AS FELLOW POSTERS. NOVEMBER 29, 2007, I PULLED BACK THE CARPET TO INSPECT COMPUTER MODULE AND HEATER CORE AREA, THERE IS GUNKY GREEN OOZE ON THE FLOOR AND ON THE COMPUTER MODULE. I AM CURRENTLY IN THE POSITION OF RESEARCHING THE BEST WAY TO HAVE PROBLEM FIXED, WHETHER AT THE DEALER, ANOTHER AUTO SHOP, OR SELF REPAIR. *TR
NHTSA ODI #10210338
Mileage unknown · Nov 24, 2007
Visibility
I HAVE A HEATER CORE FAILURE IN MY 2002 DIAMANTE. I NOW HAVE ANTIFREEZE LEAKING INTO MY PASSENGER SIDE FLOOR. I HAVE AN ANTIFREEZE SMELL AND SMOKE COMING FROM THE VENTS IN THE CAR. I GOT LOW ON ANTIFREEZE AND ALMOST OVERHEATED ON THE BELT PARKWAY. IT IS VERY HARD TO SEE AT NIGHT BECAUSE WINDOWS WILL FOG UP AND DEFROSTER MAKES P…
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I HAVE A HEATER CORE FAILURE IN MY 2002 DIAMANTE. I NOW HAVE ANTIFREEZE LEAKING INTO MY PASSENGER SIDE FLOOR. I HAVE AN ANTIFREEZE SMELL AND SMOKE COMING FROM THE VENTS IN THE CAR. I GOT LOW ON ANTIFREEZE AND ALMOST OVERHEATED ON THE BELT PARKWAY. IT IS VERY HARD TO SEE AT NIGHT BECAUSE WINDOWS WILL FOG UP AND DEFROSTER MAKES PROBLEM WORSE. I HAVE BEEN TOLD THE CARS COMPUTER IS POSITIONED UNDER THE HEATER CORE SO I HAVE TO HOPE I DO NOT HAVE A COMPUTER ISSUE AS MY SERVICE LIGHT HAS GOBNE ON AS WELL> I HAVE HAD TO REPLACE 3 ENGINE SENSORS IN THE LAST FEW MONTHS ( THE HEATER CORE ISSUE COULD BE THE ROOT CAUSE). THIS IS A VERY SERIOUS SITUATION AND NEEDS TO BE ADDRESSED. I SEE ALOT OF THE COMPLAINTS FOR THIS MODEL ARE FOR THIS ISSUE. THERE ARE MANY PEOPLE WITH THIS ISSUE. *TR
NHTSA ODI #10209796
Mileage unknown · Nov 24, 2007
Electrical SystemEngine And Engine CoolingService Brakes, Hydraulic
I HAVE A 2002 MITSUBISHI DIAMANTE. I HAVE KEPT REGULAR MAINTENANCE. I AM SUBMITTING THIS FORM BECAUSE OF A HEATER CORE ISSUE I AM HAVING. HOWEVER I HAVE HAD THE FOLLOWING PROBLEMS WITH THIS CAR. ALL THESE PROBLEMS SEEM TO BE RECURRING PROBLEMS THAT HAPPEN TO MANY PEOPLE WITH THIS MODEL. AT LEAST THAT IS WHAT I FIND WHEN I SEAR…
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I HAVE A 2002 MITSUBISHI DIAMANTE. I HAVE KEPT REGULAR MAINTENANCE. I AM SUBMITTING THIS FORM BECAUSE OF A HEATER CORE ISSUE I AM HAVING. HOWEVER I HAVE HAD THE FOLLOWING PROBLEMS WITH THIS CAR. ALL THESE PROBLEMS SEEM TO BE RECURRING PROBLEMS THAT HAPPEN TO MANY PEOPLE WITH THIS MODEL. AT LEAST THAT IS WHAT I FIND WHEN I SEARCH THE ISSUES ON THE INTERNET 1- VIBRATION IN STEERING WHEEL --THIS HAPPENED MULTIPLE TIMES AFTER TAKING CAR BACK TO DEALER-IT APPEARS THERE IS A KNOWN ISSUE WITH THE ROTORS IN THIS CAR. AFTER HAVING THE ROTORS CUT TWICE BY THE DEALER WITH NO LONG LASTING SUCCESS. I HAD TO HAVE THE BRAKES AND ROTORS REPLACED BY A MECHANIC ( CAR HAD LESS THE 10,000 MILES WHEN ISSUE STARTED HAPPENING) 2- RUSTED MUFFLER--NOT SURE IF THIS ISSUE HAPPENS OFTEN BUT AFTER 23,000 MILES I HAD TO HAVE MY MUFFLER REPLACED BECAUSE THERE WAS A HOLE RUSTED THROUGH THE TOP OF IT-I WAS TOLD THIS COULD HAPPEN FOR NOT USING THE CAR VERY MUCH IN THE WINTER TIME( ROAD SALT CAN CAUSE THE RUST) 3- HEATER CORE- I KNOW HAVE A HEATER CORE PROBLEM IN THIS CAR. I HAVE ANTIFREEZE LEAKING IN PASSENGER COMPARTMENT. I HAVE AN ANTIFREEZE SMELL IN THE CABIN OF THE CAR. MY WINDOWS FOG AND THE DEFROSTER WILL NOT CLEAR THE WINDSHIELD ( MAKES IT WORSE). I AM LOW IN ANTIFREEZE BECAUSE OF THIS. MY SERVICE ENGINE LIGHT HAS NOW COME ON AND I AM TOLD THIS CAN BE CAUSED BY LEAKING ANTIFREEZE ONTO THE COMPUTER WHICH IS POSITIONED UNDER THE HEATER CORE. THIS ISSUE IS WIDELY REPORTED ON THE INTERNET IN MANY FORUMS AND SEEMS EVERYBODY WITH A DIAMANTE WILL EVENTUALLY HAVE THIS PROBLEM. I AM BEING TOLD THIS REPAIR CAN COST OVER 1,000 DOLLARS 4-I HAVE HAD TO REPLACE 3 SENSORS IN THE ENGINE 2 EGR AND 1 IDLE SENDER (COST AROUND 1,500 DOLLARS). THIS MAY OR MAY NOT BE BECAUSE OF THE HEATER CORE ISSUES CAUSING THE CARS COMPUTER TO FAIL. *TR
NHTSA ODI #10209795
85,000 miles · Nov 21, 2007
Visibility
SYMPTOMS: CONSTANT NAUSEATING SMELL LIKE "BURNT SYRUP" INSIDE CABIN, FOGGING OF WINDSHIELD ON DRY, WARM WEATHER DAY. FROM THE MANY OTHER COMPLAINTS FILED WITH NHTSA, THIS IS A CLASSIC HEATER CORE FAILURE. WHY HAS THERE NOT BEEN A RECALL ISSUED? THIS IS POTENTIAL SERIOUS HEALTH AND VEHICLE OPERATION SAFETY ISSUE! *TR
NHTSA ODI #10209639
Mileage unknown · Nov 18, 2007
Visibility
HEATING CORE GOING BAD, WINDOW SHIELD FOGS UP AND CANNOT WIPE WAYS EASILY, VAPORS COMING FROM UNDER DASH, SYRUP SMELL IS STRONG AND ONLY WHEN HEAT IS ON. *TR
NHTSA ODI #10209283
52,000 miles · Nov 9, 2007
Visibility
COMPLAINT DESCRIPTION: NOTICED FAINT SMELL OF ANTI FREEZE APPROXIMATELY 9 MONTHS AGO. HAD PROBLEMS WITH DEFROSTER CLEARING WINDOWS. ALSO, SEEMED TO GET BETTER (OR MAYBE I GOT USED TO THE SMELL). NOW NOTICED PASSENGER SIDE FLOOR CARPET IS SOAKED WITH ANTI FREEZE. OBVIOUSLY A PROBLEM WITH THE HEATER CORE OR THE HOSE(S) WHICH CONNE…
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COMPLAINT DESCRIPTION: NOTICED FAINT SMELL OF ANTI FREEZE APPROXIMATELY 9 MONTHS AGO. HAD PROBLEMS WITH DEFROSTER CLEARING WINDOWS. ALSO, SEEMED TO GET BETTER (OR MAYBE I GOT USED TO THE SMELL). NOW NOTICED PASSENGER SIDE FLOOR CARPET IS SOAKED WITH ANTI FREEZE. OBVIOUSLY A PROBLEM WITH THE HEATER CORE OR THE HOSE(S) WHICH CONNECT TO IT ARE LEAKING. CAR HAS 55000 MILES, AND IS WELL MAINTAINED. I CALLED LOCAL MITSUBISHI DEALER TO SCHEDULE A REPAIR. HOPING THEY CAN REPAIR THIS AT LITTLE OR NO COST TO ME AS THIS IS AN OBVIOUS DEFECT IN PARTS OR INSTALLATION. ALL LOCAL MITSUBISHI DEALER SAID THAT THIS WILL COST WE ABOUT $1200. I SEE ALOT OF COMPLAINT OF THIS TYPE SHOULD THIS BE A RECALL? *TR
NHTSA ODI #10208528
50,000 miles · Oct 22, 2007
Electrical SystemVisibility
BAD HEATER CORE, LEAKING O-RINGS. *JB
NHTSA ODI #10206485
24,479 miles · Aug 25, 2007
Visibility
HAD TROUBLE DEFROSTING WINDSHIELD, BUILD UP OF FILM ON WINDSHIELD, ANTIFREEZE ON PASSENGER SIDE FLOOR, HEADACHES. *TR
NHTSA ODI #10200740
80,000 miles · Jul 25, 2007
Power TrainVisibilityInjury
TL*THE CONTACT OWNS A 2002 MITSUBISHI DIAMANTE. WHILE DRIVING 37 MPH, THE VEHICLE JERKED AND THE SERVICE ENGINE WARNING INDICATOR LIGHT ILLUMINATED. THE CONTACT ATTEMPTED TO ACCELERATE AND PULL OFF THE ROAD, BUT WHEN THE ENGINE REVVED, THE VEHICLE MOVED APPROXIMATELY THREE FEET AND STOPPED. THE VEHICLE HAD EXPERIENCED THIS FA…
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TL*THE CONTACT OWNS A 2002 MITSUBISHI DIAMANTE. WHILE DRIVING 37 MPH, THE VEHICLE JERKED AND THE SERVICE ENGINE WARNING INDICATOR LIGHT ILLUMINATED. THE CONTACT ATTEMPTED TO ACCELERATE AND PULL OFF THE ROAD, BUT WHEN THE ENGINE REVVED, THE VEHICLE MOVED APPROXIMATELY THREE FEET AND STOPPED. THE VEHICLE HAD EXPERIENCED THIS FAILURE ON TWO OCCASIONS. THE DEALER REPLACED THE TRANSMISSION AT 20,000 MILES. THE CONTACT ALSO STATED THAT THE WINDSHIELD WAS SEVERELY FOGGED. THE DEALER REPLACED THE HEATER CORE BECAUSE IT WAS LEAKING ANTIFREEZE INTO THE COOLING SYSTEM. THE DRIVER WAS NAUSEATED FOR TWO WEEKS. THE VIN WAS UNKNOWN. THE CURRENT AND FAILURE MILEAGES WERE 80,000.
NHTSA ODI #10197471
113,800 miles · Jul 16, 2007
Visibility
CAR CABIN HAS STRONG ODOR OF ANTIFREEZE WHEN USING THE HEATER. WINDOWS HAVE DIFFICULTY DE-FOGGING AND AFTER CONTACTING SERVICE DEPARTMENT, WAS TOLD THAT IT WOULD BE OVER $1000 TO FIX. AS I DUG DEEPER INTO MY PROBLEM, I FOUND THAT I AM NOT THE ONLY OWNER OF MY VEHICLE THAT HAS HAD THIS PROBLEM, AND MY REPAIR FORUM HAD THIS LINK T…
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CAR CABIN HAS STRONG ODOR OF ANTIFREEZE WHEN USING THE HEATER. WINDOWS HAVE DIFFICULTY DE-FOGGING AND AFTER CONTACTING SERVICE DEPARTMENT, WAS TOLD THAT IT WOULD BE OVER $1000 TO FIX. AS I DUG DEEPER INTO MY PROBLEM, I FOUND THAT I AM NOT THE ONLY OWNER OF MY VEHICLE THAT HAS HAD THIS PROBLEM, AND MY REPAIR FORUM HAD THIS LINK TO FILE A REPORT. *TR
NHTSA ODI #10196441
Official recalls
3Sep 1, 2004
CERTAIN PASSENGER VEHICLES FAIL TO CONFORM TO THE REQUIREMENTS OF FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 208, 'OCCUPANT CRASH PROTECTION.' THE BILINGUAL ENGLISH/SPANISH REMOVABLE AIR BAG WARNING LABELS AFFIXED TO THE DASH AND TO THE SUNVISOR DO NOT MEET THE SIZE REQUIREMENTS OF THE STANDARD.
Consequence & remedy
Consequence: THIS DOES NOT MEET THE REQUIREMENTS OF THE STANDARD.
Remedy: MITSUBISHI CARIBBEAN WILL MAIL A CUSTOMER NOTIFICATION LETTER CONTAINING A WRITTEN DESCRIPTION AND A GRAPHIC OF THE BI-LINGUAL DASHBOARD AIR BAG WARNING LABEL. IN ADDITION, ALL CURRENT 2000-2004 NATIVA OWNERS WILL ALSO RECEIVE REPLACEMENT AIR BAG ALERT LABELS FOR THE SUN VISORS. THIS RECALL IS EXPECTED TO BEGIN DURING MARCH OR APRIL 2005. THE NOTIFICATION TO THE NATIVA OWNERS IS EXPECTED TO BEGIN DURING APRIL OR MAY 2005. OWNERS SHOULD CONTACT MITSUBISHI CARIBBEAN AT 1-787-251-8715.
Feb 11, 2004
CERTAIN SPORT UTILITY AND PASSENGER VEHICLES FAIL TO COMPLY WITH FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 225, "CHILD RESTRAINT ANCHORAGE SYSTEMS." THE OWNER'S MANUAL DOES NOT CONTAIN A STEP-BY-STEP DESCRIPTION FOR HEADREST ADJUSTMENT WHEN INSTALLING A CHILD RESTRAINT SYSTEM (CRS) TETHER STRAP.
Consequence & remedy
Consequence: IF THE TETHER STRAP IS IMPROPERLY INSTALLED TO THE TETHER ANCHOR, THE CHILD SAFETY SEAT MAY NOT BE SUFFICIENT RESTRAINED. IN THE EVENT OF A CRASH, THE CHILD COULD BE INJURED.
Remedy: A LETTER OUTLINING THE PROBLEM WILL BE SENT TO OWNERS ALONG WITH A STICKER CONTAINING THE CORRECT INSTRUCTIONS AS WELL AS INSTRUCTIONS ON WHERE TO AFFIX THE STICKER IN THE OWNER'S MANUAL. THE RECALL BEGAN ON MARCH 29, 2004. OWNERS SHOULD CONTACT MITSUBISHI AT 1-888-648-7820.
Apr 7, 2002
ON CERTAIN PASSENGER VEHICLES, THE MAIN UNDER HOOD ELECTRICAL WIRING HARNESS MAY HAVE INSUFFICIENT CLEARANCE BETWEEN THE ENGINE CONTROL HARNESS AND THE EXHAUST HEAT SHIELD. AS A RESULT, THE HARNESS COULD COME IN CONTACT WITH THE HEAT SHIELD, WHICH COULD RESULT IN MELTING OF THE HARNESS INSULATION.
Consequence & remedy
Consequence: THE MELTING OF THE HARNESS INSULATION COULD RESULT IN GROUNDING OF THE CRANK ANGLE SENSOR WIRING, CAUSING THE ENGINE TO RUN ERRATICALLY OR STOP SUDDENLY, INCREASING THE RISK OF A CRASH.
Remedy: DEALERS WILL INSPECT THE HARNESS FOR DAMAGE AND, IF NONE IS EVIDENT, WILL TIE THE HARNESS BACK TO PREVENT THE HARNESS FROM EVER COMING INTO CONTACT WITH THE HEAT SHIELD. ANY HARNESS THAT SHOWS EVIDENCE OF DAMAGE WILL BE REPAIRED AS NECESSARY AND THEN TIED BACK TO PREVENT FUTURE DAMAGE. OWNER NOTIFICATION BEGAN MAY 13, 2002. OWNERS WHO TAKE THEIR VEHICLES TO AN AUTHORIZED DEALER ON AN AGREED UPON SERVICE DATE AND DO NOT RECEIVE THE FREE REMEDY WITHIN A REASONABLE TIME SHOULD CONTACT MITSUBISHI AT 1-800-222-0037.
Model-level recall history does not show whether a particular VIN is affected or has received a repair. Check a VIN with NHTSA ↗